Overclocking question.

jobmitsuo · 02-25-2008, 09:13 AM

Got a basic understanding of the how. But i've often wondered the what. In particular, the multiplier. When changing the multiplier what exactly am i changing in the operation of the CPU to change the operating frequency?

Da Viksta · 02-25-2008, 05:22 PM

The CPU's speed can be determined by its multiplier multiplied (duh) by the FSB e.g. in my CPU it is a 17x multiplier times by 200FSB to give me 3.4Ghz. By increasing the multiplier, u are simply multiplying 200 by one more, so if i increased mine to 18x (for argument's sake...) then i would have a clock speed of 3.6Ghz and so forth...but this will NOT affect my quadpumped FSB, so i would still have a FSB of 800Mhz, even though my core clock is higher.

jobmitsuo · 02-25-2008, 10:50 PM

yea, but what is the multiplier changing? the number of threads executed? is it just another descriptor given to how the speed is calculated? or what?

02-25-2008, 09:13 AM	#1 (permalink)
jobmitsuo Junior Techie Join Date: Jan 2005 Posts: 76	Overclocking question. Got a basic understanding of the how. But i've often wondered the what. In particular, the multiplier. When changing the multiplier what exactly am i changing in the operation of the CPU to change the operating frequency?

02-25-2008, 05:22 PM	#2 (permalink)
Da Viksta Ninja Stargate Addict Join Date: Dec 2007 Location: Yorkshire, UK Posts: 289	Re: Overclocking question. The CPU's speed can be determined by its multiplier multiplied (duh) by the FSB e.g. in my CPU it is a 17x multiplier times by 200FSB to give me 3.4Ghz. By increasing the multiplier, u are simply multiplying 200 by one more, so if i increased mine to 18x (for argument's sake...) then i would have a clock speed of 3.6Ghz and so forth...but this will NOT affect my quadpumped FSB, so i would still have a FSB of 800Mhz, even though my core clock is higher. __________________ Click Image to Enlarge

02-25-2008, 10:50 PM	#3 (permalink)
jobmitsuo Junior Techie Join Date: Jan 2005 Posts: 76	Re: Overclocking question. yea, but what is the multiplier changing? the number of threads executed? is it just another descriptor given to how the speed is calculated? or what?

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